/*
* Copyright (c) 2020 - 2025 Renesas Electronics Corporation and/or its affiliates
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef R_USB_DMAC_H
#define R_USB_DMAC_H

#if ((USB_CFG_DTC == USB_CFG_ENABLE) || (USB_CFG_DMA == USB_CFG_ENABLE))

 #if (USB_CFG_DMA == USB_CFG_ENABLE)
  #include "r_dmac.h"
 #elif (USB_CFG_DTC == USB_CFG_ENABLE)
  #include "r_dtc.h"
 #endif

/* Common macro for FSP header files. There is also a corresponding FSP_FOOTER macro at the end of this file. */
FSP_HEADER

/*******************************************************************************
 * Macro definitions
 *******************************************************************************/
 #define USB_DMA_USE_CH_MAX            (4)                             /* MAX USE DMAC CH for USB */
 #define USB_DMA_CH_PRI                (3)                             /* DMACmI interrupt priority level for USB Pipe : DxFIFO->buff */
 #define USB_DMA_CH2_PRI               (3)                             /* DMACmI interrupt priority level for USB Pipe : buff->DxFIFO */

 #define USB_FIFO_ACCESS_TYPE_32BIT    (0)                             /* FIFO port 32bit access */
 #define USB_FIFO_ACCESS_TYPE_16BIT    (1)                             /* FIFO port 16bit access */
 #define USB_FIFO_ACCESS_TYPE_8BIT     (2)                             /* FIFO port 8bit access */

 #define USB_FIFO_ACCSESS_TYPE_NUM     (USB_FIFO_ACCESS_TYPE_8BIT + 1) /*  */

 #define USB_BIT_MBW32                 (3UL)                           /* Mod 4(4Byte=32Bit) */
 #define USB_BIT_MBW16                 (1UL)                           /* Mod 2(2Byte=16Bit) */

 #define USB_BIT_32_WIDTH              (4)
 #define USB_BIT_16_WIDTH              (2)

 #if (USB_CFG_DMA == USB_CFG_ENABLE)
  #define USB_DMAC_PRV_REG(ch)    ((R_DMAC0_Type *) ((R_DMAC1_BASE - R_DMAC0_BASE) * ch + R_DMAC0_BASE))
 #endif                                                                 /* #if (USB_CFG_DMA == USB_CFG_ENABLE) */

/******************************************************************************
 * Exported global functions (to be accessed by other files)
 ******************************************************************************/
extern uint32_t g_usb_cstd_dma_size[USB_NUM_USBIP][USB_DMA_USE_CH_MAX]; /* DMA0 and DMA1 buffer size */
extern uint16_t g_usb_cstd_dma_fifo[USB_NUM_USBIP][USB_DMA_USE_CH_MAX]; /* DMA0 and DMA1 FIFO buffer size */
extern uint16_t g_usb_cstd_dma_pipe[USB_NUM_USBIP][USB_DMA_USE_CH_MAX]; /* DMA0 and DMA1 pipe number */

void     usb_cstd_dma_driver(void);
uint16_t usb_cstd_dma_get_crtb(usb_utr_t * p_utr);
uint16_t usb_cstd_dma_get_ir_vect(usb_utr_t * ptr, uint16_t use_port);
void     usb_cstd_dma_clear_ir(usb_utr_t * ptr, uint16_t use_port);
void     usb_cstd_dma_rcv_setting(usb_utr_t * ptr, uint32_t des_addr, uint16_t useport, uint32_t transfer_size);
void     usb_cstd_dma_send_setting(usb_utr_t * ptr, uint32_t src_adr, uint16_t useport, uint32_t transfer_size);
void     usb_cstd_transfer_wait(usb_utr_t * ptr, uint8_t dir);
void     usb_cstd_dma_stop(usb_utr_t * p_utr, uint16_t use_port);
void     usb_cstd_dfifo_end(usb_utr_t * ptr, uint16_t useport);
uint32_t hw_usb_get_dxfifo_adr(usb_utr_t * ptr, uint16_t use_port, uint16_t bit_width);

uint8_t usb_cstd_dma_ref_ch_no(usb_utr_t * p_utr, uint16_t use_port);
void    usb_cstd_dma_send_continue(usb_utr_t * ptr, uint16_t useport);

void usb_cstd_dma_rcv_start(usb_utr_t * ptr, uint16_t pipe, uint16_t useport);
void usb_cstd_dma_send_start(usb_utr_t * ptr, uint16_t pipe, uint16_t useport);
void usb_cstd_dma_send_restart(usb_utr_t * ptr, uint32_t src, uint32_t data_size, uint8_t pipe);
void usb_cstd_dma_send_complete(uint8_t ip_no, uint16_t use_port);

 #if (USB_CFG_DMA == USB_CFG_ENABLE)
void usb_ip0_d1fifo_callback(dmac_callback_args_t * cb_data);
void usb_ip1_d1fifo_callback(dmac_callback_args_t * cb_data);

 #endif                                /* #if (USB_CFG_DMA == USB_CFG_ENABLE) */

#endif                                 /* ((USB_CFG_DTC == USB_CFG_ENABLE) || (USB_CFG_DMA == USB_CFG_ENABLE)) */

/** Common macro for FSP header files. There is also a corresponding FSP_HEADER macro at the top of this file. */
FSP_FOOTER

#endif                                 /* R_USB_DMAC_H */

/******************************************************************************
 * End  Of File
 ******************************************************************************/
